The BGS Lexicon of Named Rock Units — Result Details
High Main Coal (Northumberland and Durham)
| Computer Code: | HMN | Preferred Map Code: | HM |
|---|---|---|---|
| Status Code: | Index Level | ||
| Age range: | Duckmantian Substage (CB) — Duckmantian Substage (CB) | ||
| Lithological Description: | Coal. | ||
| Definition of Lower Boundary: | none recorded or not applicable | ||
| Definition of Upper Boundary: | none recorded or not applicable | ||
| Thickness: | none recorded or not applicable | ||
| Geographical Limits: | none recorded or not applicable | ||
| Parent Unit: | Pennine Middle Coal Measures Formation (PMCM) | ||
| Previous Name(s): | none recorded or not applicable | ||
| Alternative Name(s): | Shield Row Six Quarters Coal (Cumbria) |
||
| Stratotypes: | |||
| none recorded or not applicable | |||
| Reference(s): | |||
| Mills, D A C and Holliday, D W. 1998. Geology of the district around Newcastle upon Tyne, Gateshead and Consett. Memoir of the British Geological survey sheet 20 (England and Wales). | |||
| Jones, J H. 1945. The Northumberland and Durham coal seams. Bulletin of the Institute of Fuel, 89-102. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E010 E014 E015 E020 E021 E026 E027 E032 E009 | |||